What was found
WHILE AT CRUISE, THE CREW OBSERVED NR 2 HYD SYSTEM QTY WAS LOW. CREW MONITORED NR 2 HYD SYSTEM QUANTITY AND TEMPERATURE, HYD TEMP ROSE ABOVE 135 DEGREES CELSIUS AND QUANTITY DEPLETED TO ZERO. CREW SHUT DOWN NR 2 ENGINE PER CNDAIR ''QUICK REF HANDBOOK'' ABNORMAL PROCEDURES SECT 10. CREW DIVERTED A/C TO IRELAND AND LANDED WITHOUT INCIDENT. UPON INSPECTION OF NR 2 HYD SYSTEM, FOUND RT ENGINE DRIVEN HYD PUMP LEAKING HYD FLUID FROM ENGIEN GANG DRAIN. REPLACED NR 2 ENGINE DRIVEN HYD PUMP AND CASE DRAIN FILTER IAW A/C MM. A/C RETURNED TO SERVICE. (M)